Diffusion method for the determination of acid‐volatile sulfides (AVS) in sediment

Brouwer, Henry; Murphy, Tom

doi:10.1002/etc.5620130808

Cited by 91 publications

(16 citation statements)

References 3 publications

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“…AVS and SEM were determined by combining and optimizing the methods of Hsieh and Yang (1989), Allen et al (1993) and Brouwer and Murphy (1994), within 2 weeks after sample collection (Lasorsa and Casas, 1996). The experimental setup involved a 250 ml three-necked flask in which the reaction was conducted; the flask was sequentially connected to two 250 ml scrubbing bottles, each of which contained 100 ml of 0.5 mol l À1 zinc acetate solution to trap the evolved gases.…”

mentioning

confidence: 99%

Assessment of sediment quality in two important areas of mariculture in the Bohai Sea and the northern Yellow Sea based on acid-volatile sulfide and simultaneously extracted metal results

Gao

Chen

2013

Marine Pollution Bulletin

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a b s t r a c tThe surface sediments from Laizhou Bay (LB) and the coastal sea around Zhangzi Island (ZI) were analyzed for acid-volatile sulfide (AVS) and simultaneously extracted metals (SEMs) to assess the sediment quality. These two areas, especially LB, are important mariculture bases in China and are significantly affected by the Yellow River. [SEM] was significantly and positively correlated with TOC, the water content of sediment and the fine sediment fraction and it was significantly and negatively correlated with coarse sediment fraction. The obtained results suggest that the surface sediments of LB and ZI were of high quality and not likely to cause negative effects on their ecosystems.

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mentioning

confidence: 99%

Assessment of sediment quality in two important areas of mariculture in the Bohai Sea and the northern Yellow Sea based on acid-volatile sulfide and simultaneously extracted metal results

Gao

Chen

2013

Marine Pollution Bulletin

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“…Compared with the diffusion method, it is very laborious to use the purge-and-trap method to handle a large number of samples simultaneously: a lot of glassware, gas and space are required (Brouwer and Murphy, 1994). Researchers found that the diffusion method yielded higher AVS concentrations than the purge-and-trap method.…”

Section: Methodsmentioning

confidence: 99%

“…Researchers found that the diffusion method yielded higher AVS concentrations than the purge-and-trap method. They attributed this to the higher efficiency of the diffusion method than the purge-and-trap method and to the prolonged anoxic storage of the samples (Brouwer and Murphy, 1994;Leonard et al, 1996;van Griethuysen et al, 2002). Considering the two points above, a diffusion method modified by van Griethuysen et al (2002) was used for extracting AVS from 3 g wet sediment of each sample in this study.…”

Section: Methodsmentioning

confidence: 99%

Acid-volatile sulfide and simultaneously extracted metals in surface sediments of the southwestern coastal Laizhou Bay, Bohai Sea: Concentrations, spatial distributions and the indication of heavy metal pollution status

Zhuang

Gao

2013

Marine Pollution Bulletin

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a b s t r a c tSurface sediments were collected from the coastal waters of southwestern Laizhou Bay and the rivers it connects with during summer and autumn 2012. The acid-volatile sulfide (AVS) and simultaneously extracted metals (SEM) were measured to assess the sediment quality. The results showed that not all sediments with [SEM]-[AVS] > 0 were capable of causing toxicity because the organic carbon is also an important metal-binding phase in sediments. Suppose the sediments had not been disturbed and the criteria of US Environmental Protection Agency had been followed, heavy metals in this area had no adverse biological effects in both seasons except for few riverine samples. The major ingredient of SEM was Zn, whereas the contribution of Cd -the most toxic metal studied -to SEM was <1%. The distributions of AVS and SEM in riverine sediments were more easily affected by anthropogenic activity compared with those in marine sediments.

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“…The AVS method presented by Hsieh and Yang [24] and modified by Brouwer and Murphy [25] and Leonard et al [26] was applied in the present study. The AVS extraction was performed in the anaerobic box to avoid oxidation of sulfide due to exposure to air.…”

Section: Acid Volatile Sulfide (Avs)mentioning

confidence: 99%

Sulfur K-edge XANES and acid volatile sulfide analyses of changes in chemical speciation of S and Fe during sequential extraction of trace metals in anoxic sludge from biogas reactors

Yekta

Gustavsson

Svensson

et al. 2012

Talanta

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The effect of sequential extraction of trace metals on sulfur (S) speciation in anoxic sludge samples from two lab-scale biogas reactors augmented with Fe was investigated. Analyses of sulfur K-edge X-ray absorption near edge structure (S XANES) spectroscopy and acid volatile sulfide (AVS) were conducted on the residues from each step of the sequential extraction. The S speciation in sludge samples after AVS analysis was also determined by S XANES. Sulfur was mainly present as FeS (~60% of total S) and reduced organic S (~30% of total S), such as organic sulfide and thiol groups, in the anoxic solid phase. Sulfur XANES and AVS analyses showed that during first step of the extraction procedure (the removal of exchangeable cations), a part of the FeS fraction corresponding to 20% of total S was transformed to zero-valent S, whereas Fe was not released into the solution during this transformation. After the last extraction step (organic/sulfide fraction) a secondary Fe phase was formed. The change in chemical speciation of S and Fe occurring during sequential extraction procedure suggests indirect effects on trace metals associated to the FeS fraction 2 that may lead to incorrect results. Furthermore, by S XANES it was verified that the AVS analysis effectively removed the FeS fraction. The present results identified critical limitations for the application of sequential extraction for trace metal speciation analysis outside the framework for which the methods were developed.

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Diffusion method for the determination of acid‐volatile sulfides (AVS) in sediment

Cited by 91 publications

References 3 publications

Assessment of sediment quality in two important areas of mariculture in the Bohai Sea and the northern Yellow Sea based on acid-volatile sulfide and simultaneously extracted metal results

Assessment of sediment quality in two important areas of mariculture in the Bohai Sea and the northern Yellow Sea based on acid-volatile sulfide and simultaneously extracted metal results

Acid-volatile sulfide and simultaneously extracted metals in surface sediments of the southwestern coastal Laizhou Bay, Bohai Sea: Concentrations, spatial distributions and the indication of heavy metal pollution status

Sulfur K-edge XANES and acid volatile sulfide analyses of changes in chemical speciation of S and Fe during sequential extraction of trace metals in anoxic sludge from biogas reactors

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